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Blender 2.8 Compositor: Viewer broken
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System Information
Operating system: Windows 10 Pro 1903
Graphics card: GTX 1060 latest driver

Blender Version
Broken: blender-2.80.0-git.e7a0f0a9934e-windows64
Worked: -

Short description of error
I have a compositing scene with a broken Viewer. This can be fixed by restarting Blender but I haven't a possible reason investigated yet. It will lose the Viewer preview but saving the result works. The backdrop preview in the compositing window works fine.

Exact steps for others to reproduce the error
I will prepare a scene later.



Event Timeline

Brecht Van Lommel (brecht) triaged this task as Needs Information from User priority.Mon, Jun 24, 1:39 PM

Here's a scene with embedded pictures.

  • Load scene
  • Refresh Comp
  • Viewer shows the result
  • Save Scene
  • Viewer empty

Brecht Van Lommel (brecht) raised the priority of this task from Needs Information from User to Needs Triage by Developer.Mon, Jun 24, 5:15 PM
Brecht Van Lommel (brecht) triaged this task as Needs Information from User priority.

I can't reproduce this. What are the exact steps to "Save Scene"? You just press Ctrl+S and the View Node image disappears in the image editor? Or save as, or save and reload, .. ?

It happens when I save the scene like with »save as« or when I render the compositing. I need to close the scene to default and reload to fix it but happens again as described. I will test this on another PC and by removing the prefs on my actual laptop. Maybe it‘s a conflict with an addon?!